Pressure sensor with sealing structure
By designing a sealing fixing mechanism in the pressure sensor, the problem of reducing sealing caused by loose sensor connector is solved, more stable connection and better sealing are achieved, and detection accuracy and use effect are improved.
Patent Information
- Application Number
- CN202420999781.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When existing pressure sensors are used for a long time or are subjected to external vibration, the connector is prone to loosening, resulting in a reduction in sealing and leaking, which affects the detection accuracy and use effect.
A pressure sensor with a sealing structure is designed, and a sealing fixing mechanism is adopted, including the first and second fixing sleeves, push blocks, push rods, springs, limit stops and sealing rings. Through the cooperation of these components, the More stable connection and better sealing.
It effectively prevents loosening at the connection, improves sealing, avoids leakage, and enhances the detection accuracy and use effect of the sensor.
Smart Images
Figure CN222528808U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sensors, and more specifically to a pressure sensor with a sealing structure. Background Art
[0002] With the continuous development of society and the improvement of people's living standards, pressure sensors are needed in many fields to monitor the required pressure parameters. As a basic electronic component, pressure sensors play a vital role in the development of society. Pressure sensors are a device for measuring pressure. They convert pressure into electrical signals or other identifiable output signals. These sensors are widely used in various industrial and consumer electronics applications.
[0003] However, ordinary pressure sensors place a thin rubber pad inside. When installing the pressure sensor, it is connected through threads. However, when used for a long time or subjected to external vibration, the connector is prone to loosening, resulting in reduced sealing and leakage, which leads to reduced detection accuracy of the sensor and poor use effect. Therefore, we propose a pressure sensor with a sealing structure to solve the above problems. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a pressure sensor with a sealing structure to solve the problems existing in the above background technology.
[0005] The utility model provides the following technical solution: a pressure sensor with a sealing structure, comprising a connecting shell, a mounting shell and a sealing fixing mechanism, one end of the mounting shell is fixedly connected to a wiring harness, a pressure sensor body is arranged inside the mounting shell, one end of the wiring harness is connected to the pressure sensor body, the sealing fixing mechanism comprises a first fixing sleeve fixedly sleeved on an outer wall of an end of the mounting shell away from the wiring harness, a push block is symmetrically arranged on one side of the first fixing sleeve, an end of the push block close to the first fixing sleeve is fixedly connected to a push rod, an end of the push rod close to the push block is sleeved with a spring, the push rod passes through one end of the first fixing sleeve and is fixedly connected to a limiting stop block, a second fixing sleeve is arranged on an end of the limiting stop block away from the first fixing sleeve, the second fixing sleeve is arranged on an outer wall of an end of the connecting shell close to the mounting shell, a slot is symmetrically opened on one side of the second fixing sleeve, and a limiting stop groove is symmetrically opened on an end of the second fixing sleeve away from the first fixing sleeve.
[0006] Preferably, a gasket is sleeved on one end of the push rod close to the first fixing sleeve, and one end of the gasket away from the spring is fixedly connected to one side of the first fixing sleeve.
[0007] Preferably, an external threaded protrusion is fixedly connected to one end of the connecting shell close to the mounting shell, an internal threaded groove is formed on the inner wall of one end of the mounting shell close to the connecting shell, and the external threaded protrusion is matched with the internal threaded groove.
[0008] Preferably, a T-shaped sealing ring is fixedly connected to one end of the connecting shell close to the external threaded protrusion, and a sealing groove is formed on one end of the mounting shell close to the connecting shell, and the T-shaped sealing ring is matched with the sealing groove.
[0009] Preferably, a sealing concave ring is fixedly connected to the inner wall of one end of the mounting shell close to the pressure sensor body, and a sealing gasket ring is fixedly connected to one end of the external threaded protrusion close to the mounting shell, and the sealing gasket ring is adapted to the sealing concave ring.
[0010] Preferably, the spring is arranged between the push block and the gasket, and the slot is communicated with the limit stop groove and both are adapted to the limit stop block.
[0011] Technical effects and advantages of the utility model:
[0012] 1. The utility model is provided with a sealing fixing mechanism, by pressing the push block, the push block drives the push rod to move toward the second fixing sleeve, and then drives the limit stop block to extend to the outside through the slot. At this time, the spring is in a compressed state, and then, by rotating the push block, it rotates 90 degrees, thereby driving the limit stop block to rotate 90 degrees, and then, releasing the push block, the limit stop block is clamped in the limit stop groove, due to the reset tension of the spring, a certain tension exists between the first fixing sleeve and the second fixing sleeve, thereby making the connection between the connecting shell and the mounting shell more stable, effectively preventing it from loosening, making the connection between the T-shaped sealing ring and the sealing groove tighter, further improving the sealing performance of the device connection, facilitating use, and helping to improve the practicality of the device.
[0013] 2. The utility model is provided with a T-shaped sealing ring and a sealing groove, a sealing gasket ring and a sealing concave ring, so that the sealing gasket ring is inserted into the sealing concave ring. The sealing performance is better through the matching of the sealing gasket ring and the sealing concave ring. The T-shaped sealing ring is inserted into the sealing groove to further improve the sealing performance of the connection, which is beneficial to improving the sealing performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0015] Figure 2 It is a schematic diagram of the connection explosion structure of the utility model.
[0016] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model.
[0017] Figure 4 for Figure 3 A is an enlarged structural diagram of FIG.
[0018] The accompanying drawings are marked as follows: 1. connecting shell; 2. installing shell; 3. wiring harness; 4. sealing and fixing mechanism; 41. first fixing sleeve; 42. second fixing sleeve; 43. push block; 44. push rod; 45. spring; 46. gasket; 47. limit block; 48. slot; 49. limit groove; 5. external thread protrusion; 6. T-shaped sealing ring; 7. sealing gasket; 8. internal thread groove; 9. sealing groove; 10. sealing concave ring; 11. pressure sensor body. DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The pressure sensor with a sealing structure involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0020] The utility model provides a pressure sensor with a sealing structure. Figure 1-4 As shown, it includes a connecting shell 1, a mounting shell 2 and a sealing fixing mechanism 4, one end of the mounting shell 2 is fixedly connected to a wiring harness 3, a pressure sensor body 11 is arranged inside the mounting shell 2, one end of the wiring harness 3 is connected to the pressure sensor body 11, and the sealing fixing mechanism 4 includes a first fixing sleeve 41 fixedly sleeved on the outer wall of the mounting shell 2 at one end away from the wiring harness 3, a push block 43 is symmetrically arranged on one side of the first fixing sleeve 41, and a push rod 44 is fixedly connected to one end of the push block 43 close to the first fixing sleeve 41, and a spring 45 is sleeved on one end of the push rod 44 close to the push block 43, and the push rod 44 passes through one end of the first fixing sleeve 41 and is fixedly connected to a limited stopper 4 7. A second fixing sleeve 42 is provided at one end of the limit stopper 47 away from the first fixing sleeve 41. The second fixing sleeve 42 is provided on the outer wall of one end of the connecting shell 1 close to the mounting shell 2. A slot 48 is symmetrically provided on one side of the second fixing sleeve 42. A limit stop groove 49 is symmetrically provided on one end of the second fixing sleeve 42 away from the first fixing sleeve 41. A gasket 46 is provided at one end of the push rod 44 close to the first fixing sleeve 41. One end of the gasket 46 away from the spring 45 is fixedly connected to one side of the first fixing sleeve 41. The spring 45 is provided between the push block 43 and the gasket 46. The slot 48 is communicated with the limit stop groove 49, and both are adapted to the limit stopper 47.
[0021] In the embodiment of the present application, when in use, by pressing the push block 43, the push block 43 drives the push rod 44 to move toward the second fixed sleeve 42, and then drives the limit stop 47 to extend to the outside through the slot 48. At this time, the spring 45 is in a compressed state. Subsequently, by rotating the push block 43, it is rotated 90 degrees, thereby driving the limit stop 47 to rotate 90 degrees. Then, the push block 43 is released, and the limit stop 47 is clamped in the limit stop groove 49. Due to the reset tension of the spring 45, a certain tension exists between the first fixed sleeve 41 and the second fixed sleeve 42, so that the connection between the connecting shell 1 and the mounting shell 2 is more stable, effectively preventing it from loosening, and making the connection between the T-shaped sealing ring 6 and the sealing groove 9 tighter, further improving the sealing of the device connection, and facilitating use.
[0022] Furthermore, an external threaded protrusion 5 is fixedly connected to one end of the connecting shell 1 close to the mounting shell 2, and an internal threaded groove 8 is provided on the inner wall of one end of the mounting shell 2 close to the connecting shell 1. The external threaded protrusion 5 is adapted to the internal threaded groove 8. When in use, the connecting shell 1 and the mounting shell 2 are conveniently installed through the threaded connection.
[0023] Furthermore, a T-shaped sealing ring 6 is fixedly connected to one end of the connecting shell 1 near the external threaded protrusion 5, and a sealing groove 9 is opened at one end of the mounting shell 2 near the connecting shell 1. The T-shaped sealing ring 6 is adapted to the sealing groove 9. When in use, the T-shaped sealing ring 6 is inserted into the sealing groove 9 to facilitate improving the sealing of the connection between the connecting shell 1 and the mounting shell 2.
[0024] Furthermore, a sealing recessed ring 10 is fixedly connected to the inner wall of one end of the mounting shell 2 close to the pressure sensor body 11, and a sealing gasket ring 7 is fixedly connected to one end of the external threaded protrusion 5 close to the mounting shell 2. The sealing gasket ring 7 is adapted to the sealing recessed ring 10. When in use, the sealing gasket ring 7 is inserted into the sealing recessed ring 10 to further improve the sealing performance of the equipment.
[0025] The working principle of the utility model is as follows: when in use, align one end of the external threaded protrusion 5 with the internal threaded groove 8, and threadedly connect the connecting shell 1 and the mounting shell 2 by rotation, so that the sealing gasket ring 7 is inserted into the sealing concave ring 10. The sealing performance is better through the matching of the sealing gasket ring 7 and the sealing concave ring 10. The T-shaped sealing ring 6 is inserted into the sealing groove 9 to further improve the sealing performance of the connection. Then, by pressing the push block 43, the push block 43 drives the push rod 44 to move toward the second fixed sleeve 42, and then drives the limit stopper 47 to pass through the slot 48 and extend to the outside. At this time, the spring 4 5 is in a compressed state, and then, by rotating the push block 43 to rotate 90 degrees, the limit stopper 47 is driven to rotate 90 degrees, and then, the push block 43 is released, and the limit stopper 47 is clamped in the limit stop groove 49. Due to the reset tension of the spring 45, a certain tension exists between the first fixing sleeve 41 and the second fixing sleeve 42, so that the connection between the connecting shell 1 and the mounting shell 2 is more stable, and loosening is effectively prevented, so that the connection between the T-shaped sealing ring 6 and the sealing groove 9 is more tightly connected, and the sealing performance of the device connection is further improved, which is convenient for use.
[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A pressure sensor with a sealing structure, comprising a connecting housing (1), a mounting housing (2) and a sealing fixing mechanism (4), characterized in that: One end of the mounting shell (2) is fixedly connected to a wiring harness (3), a pressure sensor body (11) is arranged inside the mounting shell (2), one end of the wiring harness (3) is connected to the pressure sensor body (11), the sealing fixing mechanism (4) comprises a first fixing sleeve (41) fixedly sleeved on an outer wall of an end of the mounting shell (2) away from the wiring harness (3), a push block (43) is symmetrically arranged on one side of the first fixing sleeve (41), an end of the push block (43) close to the first fixing sleeve (41) is fixedly connected to a push rod (44), and the push rod (44) close to the push rod (44) is fixedly connected to the pressure sensor body (11). A spring (45) is sleeved on one end of the block (43); the push rod (44) passes through one end of the first fixed sleeve (41) and is fixedly connected to a limit stopper (47); a second fixed sleeve (42) is provided at one end of the limit stopper (47) away from the first fixed sleeve (41); the second fixed sleeve (42) is provided on an outer wall of one end of the connecting shell (1) close to the mounting shell (2); a slot (48) is symmetrically provided on one side of the second fixed sleeve (42); and a limit stopper groove (49) is symmetrically provided on one end of the second fixed sleeve (42) away from the first fixed sleeve (41).
2. The pressure sensor with a sealing structure according to claim 1, characterized in that: A washer (46) is sleeved on one end of the push rod (44) close to the first fixed sleeve (41), and one end of the washer (46) away from the spring (45) is fixedly connected to one side of the first fixed sleeve (41).
3. The pressure sensor with a sealing structure according to claim 1, characterized in that: An external threaded protrusion (5) is fixedly connected to one end of the connecting shell (1) close to the mounting shell (2), and an internal threaded groove (8) is provided on the inner wall of one end of the mounting shell (2) close to the connecting shell (1), and the external threaded protrusion (5) is adapted to fit the internal threaded groove (8).
4. The pressure sensor with a sealing structure according to claim 1, characterized in that: A T-shaped sealing ring (6) is fixedly connected to one end of the connecting shell (1) close to the external threaded protrusion (5), and a sealing groove (9) is formed on one end of the mounting shell (2) close to the connecting shell (1), and the T-shaped sealing ring (6) is adapted to fit the sealing groove (9).
5. The pressure sensor with a sealing structure according to claim 4, characterized in that: A sealing concave ring (10) is fixedly connected to the inner wall of one end of the mounting shell (2) close to the pressure sensor body (11), and a sealing gasket ring (7) is fixedly connected to one end of the external threaded protrusion (5) close to the mounting shell (2), and the sealing gasket ring (7) is adapted to the sealing concave ring (10).
6. The pressure sensor with a sealing structure according to claim 1, characterized in that: The spring (45) is arranged between the push block (43) and the gasket (46); the slot (48) is connected to the limit stop groove (49) and both are adapted to the limit stop block (47).